as brazil's congress is working on a new law to define terrorism. activists fear it could be used to discourage demonstrators ahead of the world cup. >> the landfill is ready, but there's no waste in it. international donors invested 30 million u.s. dollars in this modern, earth-friendly dump site, but politics have got innocent way. israel blocks the site because of this settlement nearby. it says its waste must also be treated in the landfill. to the palestinians, that's unacceptable. >> there are no alternatives. the alternatives are to continue to throw the waste and behind the palestinian municipality. >> senegal looks like a piece of paradise next to this. in reality, the water is threatening the city. it's moving several meters closer every year. 10 years ago, authorities feared the senegal river would flood san luis. they dug a four-meter wide opening in the ground, hoping the river would pour into the sea. but instead, seawater filled the giant hole, threatening to verflow the city entirely. canadian hunters can prepare their material. they